A staff member serves a customer at a beverage stall at Guiyang North Railway Station in Guiyang, Southwest China’s Guizhou province, June 21, 2018. The beverage stall, whose employees are all deaf and dumb students from a school for the deaf and blind in Guiyang, was opened under cooperation between the school and companies to provide jobs and intern training opportunities for the students. There are now four such stalls in Guiyang and the staff members serve customers through sign language or written notes. [Photo/Xinhua]

A staff member delivers a bottle to her colleagues at a beverage stall at Guiyang North Railway Station in Guiyang, Southwest China’s Guizhou province, June 21, 2018. [Photo/Xinhua]

Staff members communicate through sign language at a beverage stall at Guiyang North Railway Station in Guiyang, Southwest China’s Guizhou province, June 21, 2018. [Photo/Xinhua]

A staff member serves customers at a beverage stall at Guiyang North Railway Station in Guiyang, Southwest China’s Guizhou province, June 21, 2018. [Photo/Xinhua]

Staff members make drinks at a beverage stall at Guiyang North Railway Station in Guiyang, Southwest China’s Guizhou province, June 21, 2018. [Photo/Xinhua]

A customer pays her bill at a beverage stall at Guiyang North Railway Station in Guiyang, Southwest China’s Guizhou province, June 21, 2018. [Photo/Xinhua]